https://sourceware.org/bugzilla/show_bug.cgi?id=33479
Bug ID: 33479
Summary: RFE: support suppressing certain objects from
--dependency-file reports
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: bugzilla.sourceware at me dot benboeckel.net
Target Milestone: ---
In some toolchains, the frontend creates temporary object files when lining.
For example, ROCm's `amdclang++`'s `--offload-*` flag family creates extra
temporary object files derived from other files. These objects are then deleted
after the link step is over. However, when using `--dependency-file`, these
temporary objects are reported as dependencies which causes the command to
always be out-of-date because the reported files are removed by the frontend.
I propose a flag to mark such temporary frontend-created link-time object files
with a flag like `--no-dependency-report path/to/tmp.o` which just suppresses
their presence in the output `--dependency-file=` contents.
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